a delayed action computer virus; a set of instructions surreptitiously inserted into a program that are designed to execute (or `explode') if a particular condition is satisfied; when exploded it may delete or corrupt data, or print a spurious message, or have other harmful effects
Viruses and logicbombs can doubtless do great damage under some circumstances.
病毒以及逻辑炸弹无疑会在某些情况下造成巨大损失。
《柯林斯英汉双解大词典》
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Three decades later, with more and more vital computer systems linked up to the Internet, could enemies use logicbombs to, say, turn off the electricity from the other side of the world?